Home / 28,244.60-38,973.14-16,305.63

Finding the Fourth Proportional to 28,244.60, 38,973.14 and 16,305.63

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Solution

The fourth proportional to 28,244.60, 38,973.14 and 16,305.63 is: 22,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.60 : 38,973.14 = 16,305.63 : x
  2. Step 2: Convert to fraction form
    28,244.60/38,973.14 = 16,305.63/x
  3. Step 3: Cross multiply
    28,244.60x = 38,973.14 × 16,305.63
  4. Step 4: Simplify right side
    28,244.60x = 635,481,600.78
  5. Step 5: Solve for x
    x = 635,481,600.78/28,244.60
  6. Step 6: Final answer
    x = 22,499.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.